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RequestCallback.h
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56 lines (46 loc) · 1.91 KB
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ROCKETMQ_REQUESTCALLBACK_H_
#define ROCKETMQ_REQUESTCALLBACK_H_
#include "MQException.h"
#include "MQMessage.h"
namespace rocketmq {
enum class RequestCallbackType { kSimple, kAutoDelete };
/**
* RequestCallback - callback interface for async request
*/
class ROCKETMQCLIENT_API RequestCallback {
public:
virtual ~RequestCallback() = default;
virtual void onSuccess(MQMessage message) = 0;
virtual void onException(MQException& e) noexcept = 0;
virtual RequestCallbackType getRequestCallbackType() const { return RequestCallbackType::kSimple; }
public:
void invokeOnSuccess(MQMessage message) noexcept;
void invokeOnException(MQException& exception) noexcept;
};
/**
* AutoDeleteRequestCallback - callback interface for async request
*
* the object of AutoDeleteRequestCallback will be deleted automatically by SDK after invoke callback interface
*/
class ROCKETMQCLIENT_API AutoDeleteRequestCallback : public RequestCallback {
public:
RequestCallbackType getRequestCallbackType() const override final { return RequestCallbackType::kAutoDelete; }
};
} // namespace rocketmq
#endif // ROCKETMQ_REQUESTCALLBACK_H_